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What is the difference between require_relative and require in Ruby?

... the docs: require_relative complements the builtin method require by allowing you to load a file that is relative to the file containing the require_relative statement. For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directo...
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How can I post data as form data instead of a request payload?

... charset=UTF-8'} And the data passed should be converted to a URL-encoded string: > $.param({fkey: "key"}) 'fkey=key' So you have something like: $http({ method: 'POST', url: url, data: $.param({fkey: "key"}), headers: {'Content-Type': 'application/x-www-form-urlencoded; charset...
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Python integer division yields float

... @JonathanSternberg except for all the code that was written for python 2.0. I feel like the role of / and // should be reversed to keep backwards compatibility. Also, in pretty much every other language / preserves type. i would make more sense then fo...
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Running a specific test case in Django when your app has a tests directory

... Checkout django-nose. It allows you to specify tests to run like: python manage.py test another.test:TestCase.test_method or as noted in comments, use the syntax: python manage.py test another.test.TestCase.test_method ...
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

I just discovered a logical bug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND . ...
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How to automatically generate N “distinct” colors?

I wrote the two methods below to automatically select N distinct colors. It works by defining a piecewise linear function on the RGB cube. The benefit of this is you can also get a progressive scale if that's what you want, but when N gets large the colors can start to look similar. I can also imagi...
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Disable a method in a ViewSet, django-rest-framework

...ethods but I did not able to find out how to disable the PATCH method specially if you are using routers. – Muneeb Ahmad Mar 31 '15 at 14:56 3 ...
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?

...hanged his example to work with Django 1.3, using get_readonly_fields. Usually you should declare something like this in app/admin.py: class ItemAdmin(admin.ModelAdmin): ... readonly_fields = ('url',) I've adapted in this way: # In the admin.py file class ItemAdmin(admin.ModelAdmin): ...
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Execution time of C program

I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...
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How to order citations by appearance using BibTeX?

...es and rebuild. If you use MiKTeX you shouldn't need to download anything extra. share | improve this answer | follow | ...